1155882315 has 24 divisors (see below), whose sum is σ = 2151357840. Its totient is φ = 528403008.

The previous prime is 1155882307. The next prime is 1155882349. The reversal of 1155882315 is 5132885511.

It is a happy number.

It is not a de Polignac number, because 1155882315 - 2³ = 1155882307 is a prime.

It is a super-2 number, since 2×1155882315² = 2672127852259518450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 785580 + ... + 787049.

It is an arithmetic number, because the mean of its divisors is an integer number (89639910).

Almost surely, 2^1155882315 is an apocalyptic number.

1155882315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1155882315 is a deficient number, since it is larger than the sum of its proper divisors (995475525).

1155882315 is a wasteful number, since it uses less digits than its factorization.

1155882315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572651 (or 1572644 counting only the distinct ones).

The product of its digits is 48000, while the sum is 39.

The square root of 1155882315 is about 33998.2692941861. The cubic root of 1155882315 is about 1049.4728464975.

The spelling of 1155882315 in words is "one billion, one hundred fifty-five million, eight hundred eighty-two thousand, three hundred fifteen".